[racket] Transparent area's

From: Noel Welsh (noelwelsh at gmail.com)
Date: Mon Oct 25 10:17:43 EDT 2010

Thanks for clearing that up.


On Mon, Oct 25, 2010 at 2:17 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> Both in the old and new toolboxes, you can make a transparent canvas
> using the 'transparent style when you create the `canvas%' object.
> If I understand the issue, though, putting a `button%' instance on top
> of a `canvas%' doesn't really work in either toolbox. Also, neither
> toolbox currently lets you paint the background of a panel (which can
> contain buttons and other controls). I think that panel drawing could
> be made configurable in the new toolbox --- after everything else is in
> place.

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